I am working on a (web-based) application that shows a list of items. Each item belongs to a particular user. When a particular user logs into the application, they see a list of their items.

When an administrative user logs into the application, they see a list of items belonging to all users, the idea being that they can delete some if necessary.

What I would like to do is differentiate items belonging to the current user from those belonging to other users, but I am struggling to come up with a nice UI that makes this obvious to the logged-in user what the difference is.

Any suggestions?

EDIT

More detail:

The application is a website for submitting files containing data to be imported into a database (this application is a thin front end for getting data into another already existing system). Each item in the list represents a "job" - a set of files that will be imported at the same time. The application's sole purpose is to see the status of these jobs (i.e. is it running, has it completed successfully). Once a job has ran, there is nothing that users can do with them other than view the history of what happened.

The current UI looks something like this, with the job created most recently at the top:

And what are you doing? Please, give us some details except "items" and "users" and "administrators". What this app is for? What items are for? How users will use them? Your question is way too generic and it's impossible to answer it without suggesting something very common like "use colours", etc. Screenshots or mockups will also be a plus.
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alexeypegovDec 18 '12 at 14:51

@alexeypegov I tried to keep it farly generic so as not to confuse, but I see what you mean. I've added more detail.
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adrianbanksDec 18 '12 at 15:14

If you have icons or images in the list then changing the background might be little tricky.

To solve this & maintain consistency you could add indicators on Left or Right side, which ever gives you more white space. Usually I prefer ending the rounded rectangle with a color, works better than coloured dot indicator.

Give good white space for each row, specially if the titles of the items are important than the item icons. Use light divider.

"ending the rounded rectangle with a color, works better than coloured dot indicator" - do you have any examples in mind that I can take a look at? I don't recall seeing this convention in use.
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adrianbanksDec 18 '12 at 16:08